Int32.MinValue Campo

Definição

Representa o menor valor possível de Int32.Represents the smallest possible value of Int32. Este campo é constante.This field is constant.

public: int MinValue = -2147483648;
public const int MinValue = -2147483648;
val mutable MinValue : int
Public Const MinValue As Integer  = -2147483648

Valor do campo

Exemplos

O exemplo a seguir usa a propriedade MinValue para impedir uma OverflowException ao converter para um valor de Int32.The following example uses the MinValue property to prevent an OverflowException when converting to an Int32 value.

using namespace System;

void main()
{
   array<Int64>^ numbersToConvert = gcnew array<Int64> { 162345, 32183, -54000, 
                                                         Int64::MaxValue/2 };
   Int32 newNumber;
   for each (Int64 number in numbersToConvert)
   {
      if ((number >= Int32::MinValue) && (number <= Int32::MaxValue))
      {
         newNumber = Convert::ToInt32(number);
         Console::WriteLine("Successfully converted {0} to an Int32.", 
                           newNumber);
      }
      else
      {
         Console::WriteLine("Unable to convert {0} to an Int32.", number);
      }
   }
}
// The example displays the following output to the console:
//    Successfully converted 162345 to an Int32.
//    Successfully converted 32183 to an Int32.
//    Successfully converted -54000 to an Int32.
//    Unable to convert 4611686018427387903 to an Int32.
using System;

public class Class1
{
   public static void Main()
   {
      long[] numbersToConvert = { 162345, 32183, -54000, Int64.MaxValue/2 };
      int newNumber;
      foreach (long number in numbersToConvert)
      {
         if (number >= Int32.MinValue && number <= Int32.MaxValue)
         {
            newNumber = Convert.ToInt32(number);
            Console.WriteLine("Successfully converted {0} to an Int32.", 
                              newNumber);
         }
         else
         {
            Console.WriteLine("Unable to convert {0} to an Int32.", number);
         }
      }
   }
}
// The example displays the following output to the console:
//    Successfully converted 162345 to an Int32.
//    Successfully converted 32183 to an Int32.
//    Successfully converted -54000 to an Int32.
//    Unable to convert 4611686018427387903 to an Int32.
Module modMain
   Public Sub Main()
      Dim numbersToConvert() As Long = { 162345, 32183, -54000, Int64.MaxValue\2 }
      Dim newNumber As Integer
      For Each number As Long In NumbersToConvert
         If number >= Int32.MinValue And number <= Int32.MaxValue Then
            newNumber = Convert.ToInt32(number)
            Console.WriteLine("Successfully converted {0} to an Int32.", _
                              newNumber)
         Else
            Console.WriteLine("Unable to convert {0} to an Int32.", number)
         End If                     
      Next
   End Sub
End Module
' The example displays the following output to the console:
'       Successfully converted 162345 to an Int32.
'       Successfully converted 32183 to an Int32.
'       Successfully converted -54000 to an Int32.
'       Unable to convert 4611686018427387903 to an Int32.

Comentários

O valor dessa constante é-2.147.483.648; ou seja, hexadecimal 0x80000000.The value of this constant is -2,147,483,648; that is, hexadecimal 0x80000000.

Aplica-se a

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